In programming, sorting can occur in ascending way or ascending way. I often get confused by this distinction when I use SAS PROC SORT. To summarize:

Sorting by ascending order means:
1
2
3
4
5

Sorting by descending order means:
5
4
3
2
1

PROC SORT:

The following is an example of how descending can be specified. The first SORT procedure sorts the data by first DateModified by natural sequence and TimeModified by the descending order. This means that older data (defined by TimeModified) in the presence of duplicate rows (the same date) will appear first. The second SORT procedure has the nodupkey option, which means that only the first and thus oldest data will be kept and the rest are deleted if the data came from the same date.

To suppress printing specifically of PROC REG, add the following to the PROC REG statement:

PLOT(MAXPOINTS=NONE)

Official examplanation:

MAXPOINTS=NONE | max <heat-max>

suppresses most plots that require processing more than max points. When the number of points exceeds max but does not exceed heat-max divided by the number of independent variables, heat maps are displayed instead of scatter plots for the fit and residual plots. All other plots are suppressed when the number of points exceeds max. The default is MAXPOINTS=5000 150000. These cutoffs are ignored if you specify MAXPOINTS=NONE.